Proposal to encode characters for Extended Tamil §1 ... - TamilNet

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4a. The context of use for the proposed characters (type of use; common or rare)Common in the context of Sanskrit religious books printed in Tamil Nadu.4b. Reference5a. Are the proposed characters in current use by the user community?Yes, often.5b. If YES, where?In publications in Tamil Nadu of Sanskrit religious texts.6a. After giving due considerations to the principles in the P&P document must the proposed characters beentirely in the BMP?No.6b. If YES, is a rationale provided?6c. If YES, reference7. Should the proposed characters be kept together in a contiguous range (rather than being scattered)?Yes, since it is only logical to keep mutually related characters together.8a. Can any of the proposed characters be considered a presentation form of an existing character orcharacter sequence?No.8b. If YES, is a rationale for its inclusion provided?8c. If YES, reference9a. Can any of the proposed characters be encoded using a composed character sequence of either existingcharacters or other proposed characters?No.9b. If YES, is a rationale for its inclusion provided?9c. If YES, reference10a. Can any of the proposed character(s) be considered to be similar (in appearance or function) to anexisting character?In some glyphic variants, the characters resemble Grantha characters and in others they resembleTamil characters in combination with superscript digits10b. If YES, is a rationale for its inclusion provided?Yes.10c. If YES, referenceThe rationale is that these characters are used as part of the (Extended) Tamil script and are differentfrom those glyphically similar characters in function and behaviour. The existence of many glyphicvariants (as in the case of Old Italic and Brahmi) is also a justification for separate encoding.11a. Does the proposal include use of combining characters and/or use of composite sequences (see clauses4.12 and 4.14 in ISO/IEC 10646-1: 2000)?No.11b. If YES, is a rationale for such use provided?11c. If YES, reference11d. Is a list of composite sequences and their corresponding glyph images (graphic symbols) provided?No.12a. Does the proposal contain characters with any special properties such as control function or similarsemantics?No.12b. If YES, describe in detail (include attachment if necessary)13a. Does the proposal contain any Ideographic compatibility character(s)?No.§11. Code chartAs mentioned in §5, due to the wide glyphic variation of these characters (such as in OldItalic and Brahmi) a particular set of representative glyphs should be chosen for ExtendedTamil. I suggest that the glyphs corresponding to (a variant of) ET-C be chosen, because thecurrent TUS description of the Tamil script refers to ET-C only.14
xx0xx10◌mh 3 ut 31◌mh 2 ut 42◌g up 23i 2 up 34i 2 up 45i 2 (uA)6i 2 ◌ui 27uk 2 ◌ui 28uk 3 ◌ui 29uk 4 ◌ui 2Auc 2Buj 2CuT 2DuT 3EuT 4Fut 215
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Proposal to encode characters for Extended Tamil §1 ... - TamilNet

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